package com.hxzy.common.config;

import com.hxzy.common.config.interceptor.AdminTokenInterceptor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 功能描述: springmvc核心配置文件(前端控制器)
 *
 * @author tonneyyy
 */
@Configuration
public class MvcConfig  implements WebMvcConfigurer {

    /**
     * 后台令牌验证的拦截器
     */
    @Autowired
    private AdminTokenInterceptor adminTokenInterceptor;

    /**
     * 添加拦截器
     * @param registry
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //后台拦截器
        String[] excludeAdminUrl={"/api/login","/api/captcha"};
        registry.addInterceptor(adminTokenInterceptor)
                .addPathPatterns("/api/**")
                .excludePathPatterns(excludeAdminUrl);
    }

    /**
     * 跨域配置
     */
    @Bean
    public CorsFilter corsFilter()
    {
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        // 设置访问源地址
        config.addAllowedOriginPattern("*");
        // 设置访问源请求头
        config.addAllowedHeader("*");
        // 设置访问源请求方法
        config.addAllowedMethod("*");
        // 有效期 1800秒
        config.setMaxAge(1800L);

        // 添加映射路径，拦截一切请求
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);
        // 返回新的CorsFilter
        return new CorsFilter(source);
    }

}
